#399B8F#399B8F

#399B8F is a light, moderate teal. Relative luminance 0.263; OKLCH L 62.9% C 0.092 H 183.9°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#399B8F
RGB	rgb(57, 155, 143)
HSL	hsl(173, 46%, 42%)
HSV	hsv(173, 63%, 61%)
CMYK	cmyk(63.2%, 0%, 7.7%, 39.2%)
CIE-LAB	lab(58.31, -31.27, -2.14)
CIE-LCH	lch(58.31, 31.34, 183.92°)
OKLab	oklab(62.92% -0.092 -0.0063)
OKLCH	oklch(62.92% 0.092 183.9)
XYZ	xyz(18.3643, 26.2938, 30.0887)
Luminance	0.2630 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399B8F #9B3945

analogous

#399B5E #399B8F #39769B

triadic

#399B8F #8F399B #9B8F39

tetradic

#399B8F #5E399B #9B3945 #769B39

square

#399B8F #5E399B #9B3945 #769B39

split-complementary

#399B8F #9B3976 #9B5E39

monochromatic

#18423C #296E66 #399B8F #52BFB2 #7FD0C6

Accessibility & contrast

On white

3.36

#399B8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#399B8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399B8F

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399B8F	#FFFFFF	#000000	##000000
##399B8F	1.00	3.36	6.26	6.26
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94938F

Deuteranopia (green-blind)

#858890

Tritanopia (blue-blind)

#009E97

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #399b8f;
/* rgb */ color: rgb(57, 155, 143);
/* oklch */ color: oklch(62.9% 0.092 183.9);

Tailwind

colors: {
  custom: {
    50: '#7bb9af',
    500: '#399b8f',
    950: '#000000',
  },
}

SCSS

$custom: #399b8f;
$custom-light: #7bb9af;
$custom-dark: #000000;

JSON

{
  "hex": "#399b8f",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 143
  },
  "hsl": {
    "h": 172.653,
    "s": 46.226,
    "l": 41.569
  },
  "oklch": {
    "l": 0.62919,
    "c": 0.09225,
    "h": 183.9
  },
  "luminance": 0.26296
}

Semantic roles & 50–950 ramp

primary

#399B8F

secondary

#B9777F

accent

#5262D6

background

#F8FBFA

surface

#EFF6F4

border

#CAD0CE

text

#0A1110

muted

#7C807F

Preview Lab

Preview with #399B8F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →